baber/WOPTO huggingface dataset:
Patent KR-850000926-B1 (KR)
Title: Trialkylamine/sulfur dioxide catalyzed sulfenylation of carbamates
Inventor: AGER JOHN WINFRID
IPC: B01J31/00
Filed: 1981-10-30
Granted: 1985-06-28
Abstract: Sulfenylation of N-alkyl carbamate is conducted by the reaction with sulfenyl halide in the presenc eof a catalytic amt. of a complex of sulfur dioxide and trialkylamine of formula R4NR5R6 where R4, R5, and R6 are lower alkyl. Trialkylamine is triethylamine, sulfenyl halide is sulfenyl chloride, and the complex is composed of equal amts. of sulfur dioxide and triethylamine. A solvent is added to the reaction, such as C6-10 aromatic, C1-4 halogenated aliphatic, C5-10 aliphatic, or C5-10 satd. aliphatic.
Patent KR-890003422-B1 (KR)
Title: Oriented polymeric films
Inventor: NEWSONE DAVID L
IPC: B32B27/32
Filed: 1983-04-26
Granted: 1989-09-20
Abstract: A polymeric blend comprises 10-90 wt.% LLDPE and 90-10 wt.% EVA. Also claimed are (a) oriented polymeric films made from the blends of LLDPE and EVA and esp. a blend contg.  20-30 wt.% LLDPE; and (b) oriented mult-layer films comprising a first barrier layer with second and third layers adhered one to each of the surfaces of the first layer being of a mixt. of LLDPE and EVA and the third layer being of EVA or a mixt.  of LLDPE and EVA.  Pref. the EVA has a vinyl acetate content of 6-12 mole % and a melt index of 0.3-0.9 and the LLDPE has a melt index of 0.5-1.5.
Patent KR-850000918-B1 (KR)
Title: Fishing net rope
Inventor: JANG MIN-HO
IPC: D07B3/00
Filed: 1983-06-20
Granted: 1985-06-27
Abstract: Locate a roller at the bottom of the tank, a metallic powder spouting room at the bottom of the roller and a pair of adhesive agent spouting nozzles at the bottom of the spouting room. The drying room and cutting equipment are rigged in the vertical direction, passing the polyestel type plastic film through the roller which is located in the middle part and at the bottom of the tank. Spouting the 150- 200 mesh metallic powder to the both sides of film surface and coating the adhesive agent by spouting nozzle, drying at 80-90≰C drying room, and forming a weighted tape.
Patent KR-890003340-B1 (KR)
Title: Differential lever actuator including differentially force-transmitting members which are not liable
Inventor: YAMO TAEKSHI
IPC: B41J9/38
Filed: 1984-02-25
Granted: 1989-09-18
Abstract: The differential lever actuator, which is designed to avoid the deformation of differential force-transmitting members, comprises transmission members (41,42) for differentially transmitting oppositely sensed angular displacements from first and second weight points (P1, P3) of first and second lever members (31,32) to first and second predetermined points (P2, P4) of a differential lever member (43).  A distance (h) between midpoints (S,T), between the first weight (P1) and predetermined points (P2) and between the second weight (P3) and predetermined points (P4) is kept constant irrespective of the angular displacements.
Patent KR-900006082-B1 (KR)
Title: Improved process for the recovery of co2 from flue gases
Inventor: PIERCE ROSCOE L
IPC: C01B32/50
Filed: 1984-03-03
Granted: 1990-08-22
Abstract: A process for the recovery of CO2 from a feed gas contg. CO2 and oxygen comprises contacting the gas with a circulating alkanolamine solution and treating the resultant solution rich in CO2 with heat to release the CO2, thereby producing a lean solution and returning the so treated lean solution to the contacting step, wherein an amount of copper greater than about 5 parts per million parts of solution and effective to inhibit corrosion and/or degradation of the solvent is maintained in the circulating solution and the circulating solution is contacted with at least one of (1) a mechanical filter, (2) an activated carbon bed, (3) an anion exchange resin and/or (4) any combination thereof.
Patent KR-910002643-B1 (KR)
Title: Process for preparing small particles and encapsulation
Inventor: FRANK SYLVAN G
IPC: A61K9/52
Filed: 1984-06-22
Granted: 1991-04-27
Abstract: Process for the formation and the simultaneous encapsulation of small particles of a compound from solution.
Patent KR-930000229-B1 (KR)
Inventor: KAYANUMA AKIO
IPC: H01L29/73
Filed: 1984-07-19
Granted: 1993-01-14
Abstract: 내용 없음.
Patent KR-890003118-B1 (KR)
Title: Numerical control
Inventor: SEKIKAWA GASHIDE
IPC: G05B19/4063
Filed: 1984-10-18
Granted: 1989-08-22
Abstract: An input section provides tool data such as the main cutting edge angle of the tool to the CPU.  The CPU cooperates with the arithmethic section to select a type of tool configuration on the basis of the data input and, using tool configuration types and dimensions stored in the memory, to calculate the dimensions of the selected configuration.  A determination is made in accordance with data input of an appropriate tool mounting orientation to ensure that the cutting edge is correctly aligned relative to the workpiece.
Patent KR-870001823-B1 (KR)
Title: Auto-loader for lead frame
Inventor: GWAK NOH-GWON
IPC: H01L21/00
Filed: 1985-02-08
Granted: 1987-10-13
Abstract: The system transfering lead frame automatically consists of a motor(2) placed on a mount plate(1), a first gear(3) driven by the motor, a second gear placed on a lead screw(4) and linked with the first gear, a pallet(7) deliverying a magazine(6) storing a number of lead frames, a number of pushers (9) placed on the back plate of the pallet for pushing the lead frame in stored in the magazine, guide rails for guiding lead frame, and ejectors placed on both ends of the guide rails.  The ejector lifts up a loading rack so that the lead frame stored on the rack can be handled easily.
Patent KR-890004452-B1 (KR)
Title: High electron mobility semiconductor device
Inventor: INATA TSUKUO
IPC: H01L21/338
Filed: 1985-03-06
Granted: 1989-11-04
Abstract: High electron mobility semiconductor device comprises: a channel layer made from undoped gallium arsenide (i-GaAs); a first spacer layer made from undoped aluminum gallium arsenide (i-AlxGaxAs) fabricated contiguous to the channel layer and forming an heterojunction therewith; and an n-type aluminum gallium arsenide (n- AlxGaxAs) layer; the device being characterized in that it further comprises a second spacer layer made from undoped gallium arsenide (i-GaAs) and located between the first space layer and the n-AlxGaxAs layer and contiguous thereto, the second spacer layer having a thickness to prevent the diffusion of impurity.
Patent KR-900006068-B1 (KR)
Title: Cleaning and drying device of electronic component
Inventor: SHIRAISHI AKIRA
IPC: B23K1/08
Filed: 1985-06-28
Granted: 1990-08-20
Abstract: The solder dipping apparatus for electronic component having lead like diods, is used for cleansing and drying electronic components of soldering workpiece. The apparatus includes a cleansing implement for cleansing electronic components, a magnet generating means mounted on both sides of a cleansing tank, a floating mean for feeding the component during cleansing, a drying implement for drying cleansed components, a second feeding means for feeding the component from the cleansing implement to the drying implement, a third feeding means for feeding the component to the drying implement, a recovery means for returning the empty basket to the clansing implement.
Patent KR-890003955-B1 (KR)
Title: Automatic forcusing system of video camera
Inventor: PARK HONG-CHOL
IPC: H04N5/232
Filed: 1985-06-29
Granted: 1989-10-13
Abstract: The circuit determines the peak contrast value substracted from the peak value of the predetermined area and the peak value of the previous image data for automatic focusing.  The selector (11) manuplated by the indicator (24) sets the region of the video signal (Y) obtained from the video camera.  The comparator (17) gets its inputs from the delayed circuit (16) and the non-delayed peak detector (15), which is fed by the adder (14) summing up the peak value of the selected region and the obtained video signal value, and drives the direction of the morto (M) via the switching circuit (19).
Patent KR-880001495-B1 (KR)
Title: The dehydrogenation-catalysts of secondary alcohol and the preparation method thereof
Inventor: HONG MYONG-SUN
IPC: C07C49/04
Filed: 1985-09-24
Granted: 1988-08-16
Abstract: A dehydrogenation catalyst of secondary alcohol is prepared by mixing, with the aquous carrier slurry of dispersed diatom earth and kaolin (80:20) in water, zincoxide (5-30% to slurry), zirconium oxide (1-10%) and sodiumoxide (0.5-5%), and then, pelleting the mixture, calcining it at 300-600≰C and treating with hydrogen at 300-800≰C.
Patent KR-890002916-B1 (KR)
Title: Steam turbine plant having a turbine bypass system
Inventor: HOIZUMI SHINICHI
IPC: F01K9/04
Filed: 1985-10-15
Granted: 1989-08-11
Abstract: The boiler is provided with a superheater, a reheater and a second reheater.  A main steam pipe with stop and control valves connects main steam generated in the superheater with an inlet of the high pressure turbine.  A first cold reheat pipe with check valve connects the outlet of the high pressure turbine with an inlet of the first reheater.  Reheated steam passes from the first reheater to a reheat turbine and correspondingly a second reheat system feeds the second reheat turbine.  Exhaust steam from the second reheat turbine flows directly to a low pressure turbine without reheat.
Patent KR-880002134-B1 (KR)
Title: Adpcm codec circuit using dsp
Inventor: LEE KANG-SOK
IPC: H03M3/00
Filed: 1985-10-26
Granted: 1988-10-15
Abstract: The adaptive differential pulse code modulation (ADPCM) coding and decoding (CODEC) circuit comprises a filter codec (A) for modulating analog audio signal to 8 bit PCM signal, a shift logic circit (B) for converting PCM data serial/parallel and parallel/serial form, a buffer (C) for storing the data temporarily, an encoder (D) for encoding the data stored in the buffer, a channel decodr (E) including data selectors (U7, U8), a control circuit (F) for providing control signal for encoding and decoding, a decoder (G) for providing parallel PCM data, and a clock generator (H) for providing clock pulse to A, B, C, D, G and F circuits.
Patent KR-960000884-B1 (KR)
Inventor: KATSURA KOYO
IPC: G09G5/36
Filed: 1986-08-19
Granted: 1996-01-13
Abstract: 내용 없음.
Patent KR-900001356-B1 (KR)
Title: Motor cooling apparatus for refrigerator
Inventor: MAEDA KENSAKU
IPC: F25B31/00
Filed: 1986-09-25
Granted: 1990-03-08
Abstract: refrigerator including an evparator (1), a condensor (2), a compressor (3) and a main motor (4) for driving the compressor, a motor cooling appts. comprises a passage (18B) through which condensed cryogen is transferred to the inner room of the main motor by a cryogen pump (17), a first opening (11) communicated to the inner room of the main motor, a second opening (12) communicated to the evaporator, and a reservoir (16) formed at the bottom of the condensor and connected to an inlet passage (18A) of the cryogen pump.
Patent KR-910001590-B1 (KR)
Inventor: IWADATE KAZUMI
IPC: G03F7/039
Filed: 1985-07-22
Granted: 1991-03-16
Abstract: 내용 없음.
Patent KR-960001880-B1 (KR)
Inventor: JOHNSON DUANE R
IPC: B60T15/06
Filed: 1987-02-24
Granted: 1996-02-06
Abstract: 내용 없음.
Patent KR-950008992-B1 (KR)
Inventor: FREDERICK JOHN ADAMS
IPC: F16H57/12
Filed: 1987-03-18
Granted: 1995-08-10
Abstract: 내용 없음.
Patent KR-920000524-B1 (KR)
Title: Melting furnace and method for melting metal
Inventor: MADDEVER WAYNE J
IPC: F27B3/08
Filed: 1987-04-07
Granted: 1992-01-14
Abstract: A melting furnace comprising:   (a) a relatively wide and shallow hearth having a bottom comprising at least one layer of refractory;   (b) at least one electrode within the furnace interior; (c) at least one gas injection means passing through the hearth bottom through the hearth refractory layer(s) and communicating with the hearth interior; and (d) high quality refractory surrounding at least some portion of the upper length of the gas injection means which passes through the hearth refractory layer(s). n
Patent KR-900005822-B1 (KR)
Title: Vaginal suppository
Inventor: SUGIMOTO IASO
IPC: A61K31/565
Filed: 1987-07-02
Granted: 1990-08-13
Abstract: A vaginal suppository comprises a pharmaceutically acceptable salt of dehydroepiandrosterone sulphate (DHAS) and a hard fat with a OH value of 50 or less. (1) The drugs are administered to a pregnant woman of 37-39 weeks 1-3 times day, with a dose of the salt of 100-150 mg for one time. (2) Blending amt. of the hard fat is 1-20 wt. pts., pref. 3-10 wt. pts. based on 1 wt. pts. of the salt of DHAS. (3) In the prodn. of the suppository, the hard fat is heated and the salt of DHAS is mixed uniformly. The mixt. is filled in a mould and cooled to form a suppository.
Patent KR-900001398-B1 (KR)
Title: Biteral input and output cell
Inventor: PARK HAK-SONG
IPC: H01L27/02
Filed: 1987-11-30
Granted: 1990-03-09
Abstract: an input and output pad (3); a first mode (10); a second mode (11); a first and a second terminals (12, 13) to input a certain signal; a third terminal (14) to output a certain signal; input protector comprised of diodes (5,6) connected to the second node, the voltage supplying terminal, and the earth terminal; buffers (7,8) connected between the second node and the third terminal; logic circuit transferring the voltage of the first node to the input and output pad according to the first and second terminal inputs.
Patent KR-900002177-B1 (KR)
Title: The process for the preparing fiber reinforced complex material
Inventor: KIM KYUNG-MIN
IPC: B32B19/06
Filed: 1987-12-05
Granted: 1990-04-02
Abstract: A fiber-reinforced composite material is prepd. by: making a complex filament by means of coating a thermoplastic elastomer as sheath component to the aromatic polyamide fiber or the carbon fiber, 10-50 wt.%, as core component with respect to the complex filament; making woven goods by using the complex filament as a raw yarn; heat- compressing the thermoplastic elastomer in order to be evenly coated onto both faces of the woven goods.  Pref. the thermoplastic elastomer contains 5-40 wt.% electroconductive carbon black, and is selected from polyamide-, polyolefin-, ionomer-, styrene-, polyurethane- or silicone- resin.
Patent KR-940002553-B1 (KR)
Inventor: IRIE YOSHIRO
IPC: C08F6/00
Filed: 1988-04-29
Granted: 1994-03-25
Abstract: 내용 없음.
Patent KR-940001695-B1 (KR)
Title: Path control system in dtmf telephone
Inventor: CHAE JONG-WON
IPC: H04M3/42
Filed: 1988-05-04
Granted: 1994-03-05
Abstract: The subscriber communicates through a handset or a microphone and a speaker using the apparatus. The apparatus includes an analog switch unit for switching communication paths according to the communication path control signal generated by a main controller, a speaker driver for sending a voice signal to a speaker when a communication path is connected to a speaker by the analog switch, a click tone generator for generating a click tone during a click tone generating mode, a ring tone generator for sending a call tone transmitted from a transmitter to a speaker, and a controller for sending and receiving a voice signal to a handset.
Patent KR-900008757-B1 (KR)
Inventor: IMANISHI KAZUO
IPC: H03F3/68
Filed: 1988-07-13
Granted: 1990-11-29
Abstract: 내용 없음.
Patent KR-920001275-B1 (KR)
Title: Device for hot-water circulation for hot-water boiler
Inventor: AN YOUNG-NAM
IPC: F24D3/00
Filed: 1988-07-13
Granted: 1992-02-10
Abstract: The automatic boiler for circulating the warm-water  consists of a boiler (5) and tank (6) for storaging water  on  the  movable plate (3) which is mounted on the base plate (1),  the  connecting pipe (7) and check valve (17) mounted on the  lower  side  of  the boiler to prevent  flowing  backward,  a  lever  for  opening  and closing the gas valve (12) mounted on the one-side of the  movable plate (3). The boiler includes a float mounted  in  the  tank  for storaging water, a bimetal mounted in the  boiler,  the  diaphragm mounted onthe tank (6) for storaging water.
Patent KR-960006585-B1 (KR)
Title: Common separation of contaminating elements from electrolyte solutions of valuable metals
Inventor: KEHL RALF
IPC: C22B3/00
Filed: 1988-08-01
Granted: 1996-05-20
Abstract: A process for the common or simultaneous separation of arsenic, antimony, bismuth and iron from electrolyte solutions of valuable metals by solvent extraction and subsequent recovery of the contaminating elements, which process is characterized in that aqueous mineral-acidic electrolyte solutions of valuable metals are admixed with a sparingly water soluble organic solvent containing at least one hydroxamic acid, the aqueous and organic phases are thoroughly mixed, the contaminating elements arsenic, antimony and bismuth are precipitated from the organic phase by direct sulfide precipitation, the sulfides are separated, and the extracted iron is subsequently reextracted with a water soluble iron-complexing agent into an aqueous phase and recovered.
Patent KR-910006212-B1 (KR)
Title: Manufacturing method for cylinder head
Inventor: CHONG JAE-RYONG
IPC: B23P15/26
Filed: 1988-09-07
Granted: 1991-08-17
Abstract: The method for improving the heat radiation effect,  includes thin radiation fins stamped separately by mechanical press,  which are assembled  and  welded  to  the  cylinder  head.  The  method comprises the processes: forming fin unit (5) with the flange (2), through hole (3) cylindrical body (4) from plater (1); placing the units (5) and a welding rod (7)  on  the  circumferential  surface (6b) of cylinder head body (6) having latching step (6a) and latch ring (8); welding process for brazing the the fin  units  (5)  and latch ring (8) cylinder head body.
Patent KR-960006796-B1 (KR)
Inventor: WOLF FRED RICHARD
IPC: C08K5/50
Filed: 1988-09-24
Granted: 1996-05-23
Abstract: 내용 없음.
Patent KR-920000838-B1 (KR)
Inventor: ITANO KIYOSHI
IPC: H03K19/177
Filed: 1988-10-05
Granted: 1992-01-30
Abstract: 내용 없음.
Patent KR-920004034-B1 (KR)
Title: Ptc ceramic heating composition
Inventor: SONG HYO-IL
IPC: H05B3/00
Filed: 1988-11-28
Granted: 1992-05-22
Abstract: A ceramic heater is produced by mixing  100  wt.%  BaTiO3,  3 wt.% SbO3 or TawO3, 28 wt.% PbO, 0.12 wt.%  MnO2  with  0.15  wt.% TiO2, drying, sintering, pulverizing, plasma thermal  spraying  an 0.1 aluminium pin with the powder to obtain 103 mm  ceramic  film, and plasma thermal respraying to obtain 95-110  m aluminium  film. The produced  ceramic  heater  has  a  large  radiant  area   and auto- temperature compensation function.
Patent KR-910006793-B1 (KR)
Title: Circuit and method for testing system bus
Inventor: KIM JONG-PYO
IPC: G06F13/40
Filed: 1988-12-09
Granted: 1991-09-02
Abstract: The circuit latches the data address and  control  signal  of the system memory, and the I/O data address and control signal  to ease the error checking and the state discrimination.  The  method includes steps: (A) initializing each units by a control signal of a CPU; (B) testing the state of data inputting and  outputting  in serial; (C) discriminating the correctness of the state  of  data; (D) testing the operation state of the CPU by loading a first test program when the state of data is correct  and  loading  a  second test program otherwide; (E) displaying the operation errors of the CPU when the operation state is  incorrect  and  testing  the  CPU again when the error value does not reach a threshold; (F) testing the state of ROM when  the  state  of  the  CPU  is  correct,  and displaying and storing the error otherwise and testing the control state of ROM; and (G) testing the external memory data and address bus, and external I/O data and address bus when the RAM is normal, and storing and displaying the error otherwise.
Patent KR-0135981-B1 (KR)
Inventor: BOWSKY BENJAMIN
IPC: H01B17/30
Filed: 1989-02-21
Granted: 1998-06-15
Abstract: 내용없음
Patent KR-970003675-B1 (KR)
Inventor: AUERBACH GUENTHER
IPC: C09B62/00
Filed: 1989-06-17
Granted: 1997-03-21
Abstract: 요약없음
Patent KR-0125771-B1 (KR)
Inventor: DEAL SAMUEL B
IPC: G02B5/00
Filed: 1989-08-24
Granted: 1997-12-18
Abstract: 없음
Patent KR-920004569-B1 (KR)
Inventor: ISNARDI MICHAEL A
IPC: H04N11/20
Filed: 1988-07-21
Granted: 1992-06-08
Abstract: 내용 없음.
Patent KR-970003478-B1 (KR)
Inventor: AUVRAY ERIC
IPC: H04N11/04
Filed: 1988-12-30
Granted: 1997-03-18
Abstract: 내용없음.
Patent KR-0147062-B1 (KR)
Inventor: WILD ERNST
IPC: F02D45/00
Filed: 1989-12-09
Granted: 1998-08-17
Abstract: 본 발명은 수용되는 공기량 및 회전 속도에 따라, 모든 분사 밸브에 공통으로 적용되는 각 예비 제어시간을 출력하는 예비 제어 타이머(10)를 포함하고 있으며, 각 실린더에 대한 분사 장치를 이용하여 내연기관의 실린더에 공급되는 연료의 양을 제어하기 위한 제어 장치에 관한 것이다. 본 발명에 따른 제어 장치는 모든 실린더에 대한 독립 정정값을 저장하는 독립-값 기억 장치(11)와, 독립 정정값과 공통 예비제어 시간을 논리적으로 결합하는 논리 장치(12)를 구비하며, 배기 가스에서 람다 탐침을 이용하여 각 실린더에 대해 개별적으로 측정되는 람다값이 모든 실린더에 대해 근본적으로 동일하게 되도록 각 경우마다 각 분사 장치에 대한 제어 시간이 얻어지는 방식으로 독립 정정값이 결정되고 결합이 실행되는 것을 특징으로 한다.
Patent KR-0173462-B1 (KR)
Title: Process for preparing carboxylic acids
Inventor: JONES MICHAEL DAVID
IPC: C07C51/12
Filed: 1990-02-17
Granted: 1999-04-01
Abstract: An improved liquid-phase process for preparing carboxylic acids having (n + 1) carbon atoms by rhodium catalysed carbonylation of an alcohol having n carbon atoms is provided. The process is particularily suitable for preparing acetic acid from methanol in commercial carbonylation reactors operating at steady-state with a low standing quantity of water (eg 0.5 to 5% by weight). The improvement lies in carrying out the carbonylation in the presence of an iodide stabiliser (eg lithium iodide) and a Group VI B metal costabiliser. The process can optionally be carried out in the presence of hydrogen.
Patent KR-100225442-B1 (KR)
Inventor: NAGANO SHUIZI
IPC: G11B20/04
Filed: 1990-08-16
Granted: 1999-10-15
Abstract: 디스크 플레이어는 디지털 오디오 신호가 기록되어 있는 디스크가 정상 모드에서 정상 재생 클럭의 타이밍으로 재생되는 정상 재생 모드와, 고속 재생 모드에서 상기 정상 재생 클럭의 주파수보다 높은 주파수를 갖는 고속 재생 클럭의 타이밍으로 재생되는 고속 재생 모드를 갖는 디스크 재생 유닛과, 상기 고속의 재생 속도로 동작하는 상기 디스크 재생 유닛에 의해 상기 디스크를 재생하여 얻은 디지털 오디오 신호들을 소정의 기간마다 적분하고, 상기 기간에 대한 적분값들을 비교하여 최대 적분값을 검출하며, 상기 최대 적분값을 피크 레벨로서 출력하는 피크 레벨 검출 유닛을 포함한다.
Patent KR-930003797-B1 (KR)
Title: Process for producing expanable water absorbent polymers
Inventor: JONG SANG-TAE
IPC: C08J9/36
Filed: 1990-08-28
Granted: 1993-05-13
Abstract: The water absorptive  resin  is  produced  by  (a)  adding  a water- soluble radical polymn. initiator to  an  aqueous  soln.  of acrylic acid and acrylic acid alkali  metal  salt,  having  50-100 mole % neutralization degree, added with a crosslinking agetn; (b) dispersing a  dispersing  agent  i.e.  sorbitane  monostearate  or kaolin to the mixture; (c) reacting  the  mixture  with  a  sodium hydrogensulfide soln. in the  high  pressure  reactor  added  with carbon dioxide or nitrogen at 700-1200 psi and  10-40  deg.C;  and (d) cleaning and drying the reactant to obtain a resin,  and  then redrying the resin at 80-90 deg.C. The crosslinking agent is pref. glycerol (sorbitol or trimethanolpropane)  polyglycidyl  ether  or methylene bisacrylamide. The resin is used as dispers and sanitary belts.
Patent KR-940006639-B1 (KR)
Inventor: KOBAYASHI MICHIHITO
IPC: B29C35/02
Filed: 1990-09-29
Granted: 1994-07-25
Abstract: 내용 없음.
Patent KR-0180527-B1 (KR)
Title: Process for purification of a 69000 dalton antigenic protein from bordetella pertussis
Inventor: GOTTO JOHN WILLIAM
IPC: C07K16/00
Filed: 1990-11-17
Granted: 1999-04-01
Abstract: A process for extracting and purifying a protein having an apparent molecular weight of about 69,000 daltons from the outer membrane of the bacterium Bordetella pertussis is provided. The process includes inactivating Bordetella pertussis cells with a bacteriostatic agent, repetitive extraction, and purification of the 69,000 dalton protein from extract by dye ligand chromatography followed by chromatofocusing. The process results in improved yield and stability of the 69,000 dalton protein.